<ul class="nav">
    <li id="overview"><a href="#">总览</a></li>
</ul>
{% include 'article/category_nav.html' %}
{% include 'article/purepage_nav.html' %}
{% include 'article/blog_nav.html' %}
{% include 'navbar/navbar_nav.html' %}
{% include 'link/link_nav.html' %}
{% include 'mood/mood_nav.html' %}